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[Kato RC #48] The Day I Built a 108 km/h Rocket Drone for $155 — The ESP-BLAST and ESP32 Revolution

Prologue — Why an ESP32 Drone Now? March 2026. A video posted by DIY engineer "Max Imagination" on YouTube shook the hobbyist world. The title was "Build The Smallest ESP32 Brushless Rocket Drone | ...
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[Kato RC Publishing Article #35] 20,000 Yen, KiCAD, and a Single Soldering Iron—The Era of Open-Source RC Cars and Drones Built from Scratch by Individuals

Don't buy an RC car. Or, to be precise, "don't buy a mass-produced one." The year is 2026. Drawing circuit diagrams in KiCAD, ordering PCBs from PCBGOGO, flashing firmware to an ESP32, and printing a ...
GitHub

Outdoor Autonomous Delivery Robot

This repository is not a step-by-step tutorial or beginner's guide. It assumes you already have a solid background in robotics, embedded systems, ROS 2, hardware integration, and all the tools and ...
Hackaday

Building A Wireless Fingerprint Authorization Device

Once upon a time, there was a bit of a fad for fingerprint authentication in laptops and desktop computers. It has long since ...
Hackaday

Transportation Hacks

Pity the poor Australians. Isolated on a jagged hunk of land far from everywhere else, these industrious people have to take two-legged flights (or more) to reach a great many destinations in the ...
GitHub

lily-osp/PID_simple_controll

This project provides complete PID controller implementations for BLDC motors, supporting three distinct microcontroller platforms. Each implementation is optimized for specific use cases: from ...